12131222211300 has 144 divisors (see below), whose sum is σ = 35148055991552. Its totient is φ = 3230536003200.

The previous prime is 12131222211271. The next prime is 12131222211301. The reversal of 12131222211300 is 311222213121.

It is not an unprimeable number, because it can be changed into a prime (12131222211301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 798782307 + ... + 798797493.

Almost surely, 2^{12131222211300} is an apocalyptic number.

12131222211300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12131222211300 is an abundant number, since it is smaller than the sum of its proper divisors (23016833780252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12131222211300 is a wasteful number, since it uses less digits than its factorization.

12131222211300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18698 (or 18691 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12131222211300 its reverse (311222213121), we get a palindrome (12442444424421).

The spelling of 12131222211300 in words is "twelve trillion, one hundred thirty-one billion, two hundred twenty-two million, two hundred eleven thousand, three hundred".